/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cronos.applicationmetric;

import cronos.application.Application;
import cronos.metric.Metric;
import java.io.IOException;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author leoomoreira
 */
public class ApplicationMetricDelete extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        ApplicationMetricDAO dao = null;
        try {
            dao = new ApplicationMetricDAO();
            Application application = new Application();
            application.setId(Long.parseLong(request.getParameter("applicationId")));
            Metric metric = new Metric();
            metric.setId(Long.parseLong(request.getParameter("metricId")));
            ApplicationMetric applicationMetric = new ApplicationMetric();
            applicationMetric.setApplication(application);
            applicationMetric.setMetric(metric);
            dao.delete(applicationMetric);
            dao.commit();
            request.setAttribute("message", "Record successfully deleted");
        } catch (SQLException ex) {
            try {
                if (dao != null) {
                    dao.rollback();
                }
            } catch (SQLException ex1) {
            }
            request.setAttribute("message", ex.getMessage());
        }
        request.getRequestDispatcher("ApplicationMetricList").forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
